66882244 has 24 divisors (see below), whose sum is σ = 137507328. Its totient is φ = 28062240.

The previous prime is 66882241. The next prime is 66882251. The reversal of 66882244 is 44228866.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66882197 and 66882206.

It is not an unprimeable number, because it can be changed into a prime (66882241) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57892 + ... + 59035.

It is an arithmetic number, because the mean of its divisors is an integer number (5729472).

Almost surely, 2^66882244 is an apocalyptic number.

It is an amenable number.

66882244 is an abundant number, since it is smaller than the sum of its proper divisors (70625084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66882244 is a wasteful number, since it uses less digits than its factorization.

66882244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116955 (or 116953 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 66882244 is about 8178.1565159882. The cubic root of 66882244 is about 405.9167244088.

It can be divided in two parts, 668822 and 44, that added together give a palindrome (668866).

The spelling of 66882244 in words is "sixty-six million, eight hundred eighty-two thousand, two hundred forty-four".